Category: Routing and Peering

DNS load balancing and Global Server Load Balancing are pivotal techniques in modern networking, enabling the efficient distribution of traffic across servers and optimizing user experiences for applications and services. By leveraging the Domain Name System as a mechanism for traffic management, these strategies provide scalability, redundancy, and improved performance, ensuring that resources are utilized…

PeeringDB is a vital resource for the internet’s interconnection ecosystem, serving as a publicly accessible database that provides detailed information about networks, Internet Exchange Points, and data centers. As an essential tool for network operators, content delivery networks, and other stakeholders in the peering and transit ecosystem, PeeringDB facilitates the discovery of potential interconnection opportunities,…

Managing partial routes is a critical aspect of routing and peering in the context of internet infrastructure. Partial routes refer to a subset of available routing information exchanged between Autonomous Systems during peering or transit relationships. Unlike full routes, which provide a complete view of the global internet routing table, partial routes are selectively advertised,…

The Border Gateway Protocol is the cornerstone of internet routing, enabling Autonomous Systems to exchange routing information and determine the best paths for data to traverse across networks. Central to the functionality and flexibility of BGP are its path attributes, which carry critical information about routes and influence the decision-making process for path selection. Understanding…

As the exhaustion of IPv4 addresses becomes an increasingly pressing issue, the transition to IPv6 is no longer a matter of if but when. While dual-stack deployments, where both IPv4 and IPv6 are used simultaneously, have provided a transitional bridge, the internet is steadily moving toward IPv6-only environments. Preparing for this inevitability requires careful planning,…

Peering, the practice of directly interconnecting networks to exchange traffic, is a cornerstone of the modern internet. It enhances performance, reduces latency, and optimizes costs for internet service providers, content delivery networks, and enterprises. However, establishing and maintaining peering relationships is not without challenges. Various pitfalls can arise, ranging from technical misconfigurations to policy disagreements,…

The DNS root hints and their associated routing play a foundational role in the functionality of the internet, providing the initial step for resolving domain names into IP addresses. Monitoring these root hints and the routing changes associated with them is critical for ensuring the stability, security, and performance of the global Domain Name System.…

Route reflectors and confederations are advanced mechanisms in Border Gateway Protocol used to enhance the scalability, manageability, and efficiency of large and complex network architectures. As networks grow in size and complexity, the need for optimized routing practices becomes paramount to prevent issues such as excessive memory usage, processing overhead, and configuration complexity. Both route…

Internet Exchange Points serve as critical hubs in the global internet infrastructure, enabling networks to interconnect and exchange traffic directly. At the heart of these facilities lies the IXP fabric, the technological foundation that facilitates seamless communication among participating networks. The evolution of IXP fabric technologies has played a pivotal role in scaling internet traffic…

Peering is the foundation of the interconnected internet, enabling networks to exchange traffic efficiently and cost-effectively. When implemented correctly, peering relationships optimize performance, reduce latency, and enhance the reliability of global connectivity. However, when peering goes wrong, the consequences can ripple across the internet, resulting in significant outages, degraded service quality, and financial losses. Examining…